<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
<script>
/*
var arr=[1,2,3];
var brr=[4,5,6];
debugger;
arr.join('');
brr.slice(5);
*/
function fun(n){
    try{
        console.log(n.join());
    }catch(e){
        console.log(e);
    }
   
}
fun(123);
console.log(1111);
</script>
</body>
</html>